indeterminate coefficient

例句：

1. 1. The engineer used the indeterminate coefficient to calculate the stress distribution in the structure.
   工程师使用不确定系数来计算结构中的应力分布。
2. 2. The indeterminate coefficient was a significant factor in determining the stability of the bridge.
   不确定系数是决定桥梁稳定性的一个关键因素。
3. 3. In this case, the indeterminate coefficient was used to estimate the material properties of the new material.
   在这种情况下，不确定系数被用来估算新材料的材料属性。